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https://issues.apache.org/jira/browse/PDFBOX-2261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14099682#comment-14099682
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Andreas Lehmkühler commented on PDFBOX-2261:
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I've reorganized the creation/handling of acroform elements. I've lend the
names John proposed for the new classes.
- PDFieldTreeNode is the superclass for all possible elements
- new class PDNonTerminalNode extends PDFieldTreeNode
- PDField extends PDFieldTreeNode
- inheritable fields (flags and fieldtype)
-- PDNonTerminalNode: provides the direct values only, it doesn't search the
parent hierarchy
-- PDField: provides the direct values, iif not present, it searches the parent
hierarchy
- inheritable fields (value and defaultvalue): TODO the usage is still
inconsistent
> Extremely long hang during getFields() on a few PDF files
> ---------------------------------------------------------
>
> Key: PDFBOX-2261
> URL: https://issues.apache.org/jira/browse/PDFBOX-2261
> Project: PDFBox
> Issue Type: Bug
> Components: AcroForm
> Affects Versions: 1.8.6
> Reporter: Tim Allison
> Assignee: Andreas Lehmkühler
> Priority: Minor
> Fix For: 2.0.0
>
> Attachments: 966679.pdf, RadioButtons.pdf, screenshot-pdfdebugger.png
>
>
> When I run oap.examples.fdf.PrintFields from trunk, the code seems to hang
> during acroForm.getFields(). This is a heavy load hang.
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